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Finding the Third Proportional to 68,718,118.50 and 148,196,277

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Solution

The third proportional to 68,718,118.50 and 148,196,277 is: 319,597,465.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,718,118.50 : 148,196,277 = 148,196,277 : x
  2. Step 2: Convert to fraction form
    68,718,118.50/148,196,277 = 148,196,277/x
  3. Step 3: Cross multiply
    68,718,118.50x = 148,196,277 × 148,196,277
  4. Step 4: Simplify right side
    68,718,118.50x = 21,962,136,516,660,728
  5. Step 5: Solve for x
    x = 21,962,136,516,660,728/68,718,118.50
  6. Step 6: Final answer
    x = 319,597,465.65

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.